function Person() {
}
Person.prototype.sayHi = function() {
    console.log('hi')
}
const person = new Person();
const p1 =  Object.create(person);
const p2 = Object.create(person)
p1.name = 'mo'
delete p1.name;
delete p2.sayHi
console.log(p1.name === p2.name, p1.name);
console.log(p1.sayHi === p2.sayHi)